TY  - RPRT
TI  - Seasonal abundance and behavior of black brant (Branta bernicla nigricans) on Humbolt Bay, California
AU  - W.G. Henry
AU  - P. F. Springer
PY  - 1981
UR  - https://pubs.usgs.gov/publication/1001533
ID  - 1001533
ER  -